Missing sensor? (CTscott) - Toyota Yaris Forums

bankrobber · 12-11-2011, 02:57 PM

The front bumper cover and splash guard under car has taken many hits and the last one was pretty major. I was going 70 MPH and hit something in the dark on interstate and broke splash guard and it came down and rubbed on left front tire for about a mile before I could stop. I already had a plug from something hanging down in the front. I was pretty sure it was for the fan to come on and off. I finally got under to zip tie the plastic up away from tire and now I see the plug just hanging. This if you look under by left front tire had a plastic tube it ran through and holds on by a snap clip to the splash guard. What does it do? So far my car has been running fine.

CTScott · 12-11-2011, 03:21 PM

That was probably the ambient temperature sensor for the AC.

bankrobber · 12-11-2011, 04:05 PM

10-4. Thought it was so now what will it effect being broken? My fan is cycling on and off with A/C on. Do I need to replace it?

CTScott · 12-11-2011, 09:42 PM

Quote:

Originally Posted by bankrobber

10-4. Thought it was so now what will it effect being broken? My fan is cycling on and off with A/C on. Do I need to replace it?

I don't think it is completely critical. I believe that its primary purpose is to allow the AC ECU to decide when it needs to supplement the heater with the PTC (electric) heater.

12-11-2011, 02:57 PM	#1
bankrobber Drives: 2007 Yaris Hatchback Join Date: Jan 2010 Location: Central Florida Posts: 254	Missing sensor? (CTscott) The front bumper cover and splash guard under car has taken many hits and the last one was pretty major. I was going 70 MPH and hit something in the dark on interstate and broke splash guard and it came down and rubbed on left front tire for about a mile before I could stop. I already had a plug from something hanging down in the front. I was pretty sure it was for the fan to come on and off. I finally got under to zip tie the plastic up away from tire and now I see the plug just hanging. This if you look under by left front tire had a plastic tube it ran through and holds on by a snap clip to the splash guard. What does it do? So far my car has been running fine.

12-11-2011, 03:21 PM	#2
CTScott ULTIMATE View User's Garage Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008 Location: USA, CT Posts: 13,460	That was probably the ambient temperature sensor for the AC. __________________

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12-11-2011, 04:05 PM	#3
bankrobber Drives: 2007 Yaris Hatchback Join Date: Jan 2010 Location: Central Florida Posts: 254	10-4. Thought it was so now what will it effect being broken? My fan is cycling on and off with A/C on. Do I need to replace it?